The PHN B4T Bottle is designed to support training, competition, and everyday hydration. Lightweight, durable, and easy to use, it’s built to perform in every situation — from long endurance sessions to daily workouts. Its clean, minimalist design reflects the PHN philosophy: functional, no-compromise gear made for athletes who demand reliability. Compatible with B.4.T Fuel and made in Switzerland, it delivers simple, effective hydration whenever you need it. Functional design. Everyday performance. Built For This.